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The US trademark TONEGUARD was filed as Word mark on 01/20/1975 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/26/1976.
The current status of the mark is "CANCELLED - SECTION 7".
| Trademark form | Word mark |
| File reference | 73042163 |
| Register number | 1051155 |
| Application date | January 20, 1975 |
| Entry date | October 26, 1976 |
Trademark owner
HANSEN WAY
94303 PALO ALTO
US
94303 PALO ALTO
US
goods and services
9
AUDIBLE SIGNALING SYSTEM INCORPORATED IN COMPUTER DATA TERMINAL
ID: 1373042163